1. DEPARTMENT OF SURGERY FACULTY OF POSTGRADUATE EDUCATION I. YA. HORBACHEVSKY TERNIOPIL NATIONAL MEDICAL UNIVERSITY, TERNOPIL, UKRAINE
2. DEPARTMENT OF MEDICAL BIOCHEMISTRY I. YA. HORBACHEVSKY TERNIOPIL NATIONAL MEDICAL UNIVERSITY, TERNOPIL, UKRAINE
3. DEPARTMENT OF GENERAL HYGIENE AND ECOLOGY I. YA. HORBACHEVSKY TERNIOPIL NATIONAL MEDICAL UNIVERSITY, TERNOPIL, UKRAINE
4. DEPARTMENT OF CHILDREN’S DISEASES AND PEDIATRIC SURGERY I. YA. HORBACHEVSKY TERNIOPIL NATIONAL MEDICAL UNIVERSITY, TERNOPIL, UKRAINE
5. SUMY STATE UNIVERSITY, SUMY, UKRAINE